Twin strainer.



UlfiillTED STATE@ UFFlE,

'XVLLIAM S. ELLIOTT, 0F PITT-SBURG. l-ENNSYLVANT TWXN STRAINER.

Application filed October l2, 1367. Serial No. 3971132.

To all whom it may concern:

Be it known that I, YVILLTAM S. ELLIOTT, of Pittsburg, Allegheny county, and State of Fennsylvania, have invented a new and use't'ul Twin Strainer, reference being had to the acconipaDyingl drawings, forming; part of this specification.

My invention relates to the straining oi Water or other liquid, and it is designed to provide a'siinple, eilicient and easily cleaned multiple strainer system by which the liquid may be f shnntetl sideivise into either one of two or more strainers. The arrangement is such that either strainer system may be shut oli2 and the Water directed to the other sys-- tem, so that the strainers may be alternately cleaned.

Figure l. is a central longitudinal 'section showing one :torni of my improved strainer device; Fig. 2 is a cross section on the line irl-lil oFig. l.

in the drawing, referring to the form oit l and 2 represents the general body of the twin strainer', which is preferably formed oi a casting, either in one or more parts` 3 is the nozzle or port through which the Water enters longitudinally. This Water into a valve chamber a, having side 5 on different Sideaopening into chaniliers G, 5, each of which contains a strainer ln the form shown in these figures, the strainer chambers extend at an angle to the longitudinal axis oi." the general casting, and the strainer, which is of tubularforni, is slipped in from one end, its outer end being covered by a screw cap 8, which clamps it in place against an. inner annular shoulder The screw cap 8, in the forni shown, engages through bolt or rod l0, whose other end is secured at the opposite end of the chamber containing the strainer. rEhe tubular stiainers shown. are smaller in diameter than the chambers receiving t em, and from the lower part of these str ner chambers, yport il leads into a second valve chamber l2, from which the Water passes ont through nozzle or port l in the valve chambers i and l2 are located valves land .15, which are adapted to close either of the sets of ports 5 and il. These valves, in the form shown, are moved endu Wise hy means of screw stems i5 and i7, eirtending through suitable stelling boxes 18, and'having any suitable actuating handles, such as hendswheels 19. These screw threaded stems extend through suitable n, otherwise and may be held in an screwthreaded guides 2G, which may be cast integrally with the main casting or attached thereto, and to provide Afor operating the valves ei their right or leftliancled,l preferably foi-in two sets of the'screW-threadecl guides 20, extending from opposite'sides. In this way, the valve-controlled handles and stems 4can be easily shifted according to the position in which the strainer is placed. 2l is a separating' web or partition, which is between the valve chambers. This partition may be ioiined separately and secured in place, and serves to compel the Water to HOW in. either direction through the strainers.

in order to provide for easy removal and replacing of the valves, as Well as to obtain easy access thereto alter the strainer is in place, l preferably forni the general casty ing with opening on one tace, to which opening or openings are secured cover plates 2&2, which may he held by cap bolts or any other desirable means. By remov' ing these plates, the valves niay be taken out,- or access had to them Without detaching. the apparatusfrom its connections.

In the `use of the strainer the two-valves are moved against one set of seats, and the, Water then flows through one of the strainers and ont through the .outlet 13. When it is desired to clean the strainer which has been used, the Valves are moved over to their opposite seats, and the Water is .l

thus shunted through the other strainer', allowing the first strainer to be removed and cleaned or replaced.

The advantages or" my invention result from the simplicity, strength and efficiency of the construction and from the manner in which the Water may be easily shunted from one strainer to the other in case of repair or cleaning. Easy access is also given to the vvalves Without disconnection.

The strainer chambers may be arranged range at any angle desired to Ineetlocal conditions or :tacihtate cleani The strainer may be made of tubular orm or conven ient manner. The valves maybe o diierent, i

ports communicati cham r and CloseA the port leading to the other strainer '-ch'axber, substantially as de- 10 scribed.

En testimony whereof, I have hereunto set my hand.

, WILLIAM se ELLIOTT.

Wtesses: i; A

' C. P. BYRNES,

H. M. CORWIN. 

